Now often split as a full species on very little basis (i.e. [i]Larus scopulinus[/i]), and also now commonly placed in the genus [i]Chroicocephalus[/i] (but I prefer [i]Larus[/i] still).
Now often split as a full species on very little basis (i.e. Larus scopulinus), and also now commonly placed in the genus Chroicocephalus (but I prefer Larus still).